A numbered receipt is necessary because it is a(n) ________

Which schedule of controlled substances contains drugs that have a high potential for physical or psychological dependence, but do have therapeutic uses, for which they require prescriptions?

A. Schedule I B. Schedule II C. Schedule IV D. Schedule V E. Schedule III

The proper way to store narcotics is ____. 

A. correctly labeled on the shelf with other medications B. out of sight in a locked cabinet C. behind other medications D. on the highest shelf, out of immediate reach E. in a locked drawer of the physician's desk